719 results about "Biomass c" patented technology

The invention provides a biomass energy IGCC technology which is characterized in that the technology comprises the following steps that: (1) the biomass raw material is gasified to be converted into the combustible gas which is dedusted and decoked as well as purified and is sent to a gas internal-combustion engine to generate electricity; (2) the biomass raw material or the clinker generated in the gasification and power generation process in the step 1 or the mixture of the two is sent to a steam boiler to be burnt in order to generate the superheated steam; the exhaust heat of the gas internal-combustion engine of the step 1 is inlet to an exhaust-heat boiler to generate the superheated steam; (3) the superheated steam generated by the steam boiler and the exhaust-heat boiler of the step 2 is sent to a turbonator set. The biomass energy IGCC technology takes full advantage of the heat energy and the product generated by each processing step in the biomass energy gasification and power generation process and generates electricity circularly, thereby greatly raising the power generation efficiency, taking full advantage of waste materials and lowering the running cost. The invention also discloses a power generation system for realizing the biomass energy IGCC technology.

The invention discloses a method and a device for preparing high-purity hydrogen from biomass. A thermal chemical hydrogen preparation process of biomass is divided into three steps, namely biomass gasification, step-by-step biomass carbonization and water-charcoal reaction. The combustible gas generated by biomass gasification provides heat energy required by the whole production line, and electricity is generated by gas to provide electric energy required by all power equipment, so that biomass is the only energy source of the whole process and ensures zero consumption of external power. The step-by-step biomass carbonization process overcomes the defects of low yield and low biomass charcoal reaction activity of the conventional carbonization process, and greatly improves the reaction activity of the biomass charcoal while ensuring a high yield of biomass charcoal by coupling a slow low-temperature carbonization reaction and a fast high-temperature carbonization reaction; therefore, the water-charcoal reaction is accelerated and the energy consumption in the water-charcoal reaction process is reduced. The content of hydrogen of the generated primary hydrogen-rich gas is over 85%, and can even be more than or equal to 99.99% after purification of a hydrogen purification device.

The invention relates to a composite microbe forage additive and relative production, wherein said additive comprises Saccharomyces cerevisiae, Lactobacillus plantarum, and Lactobacillus casei subsp.casei, which are processed via slope cultivation, first-stage seeding, second-stage seeding, and mixture cultivation ferment, to optimize the ratio between composite bacterial. The effective viable bacterial number of said additive is more than 2*109cuf/mL. The inventive forage additive can improve the forge utilization and immunity ability, with reduced cost.

The invention belongs to the field of biomass energy, and in particular relates to a method for separating microalgae through in-situ flocculation and application thereof. The method comprises the following steps of: adding acid liquor into a culture solution for culturing the microalgae, regulating the pH value to be acidic, flocculating and settling the microalgae, standing, demixing, and separating the supernate to obtain separated culture solution and microalgae. The separated microalgae culture solution is recycled for culturing the microalgae after alkali liquor neutralization and regulation. The method has the advantages of simplicity in operation, wide reagent source, low cost, high efficiency and low energy consumption, and the settling separation rate within 30 minutes reaches more than 90 percent.

A crop straw particle fuel and its production are disclosed. The fuel is prepared by drying crop or plant waste under moisture content 16%, crushing them into powder with grain size under 8mm from side-rub multifunctional crusher, mixing one material or several materials with water, steam vaporizing, compression forming from special straw granulating flat die machine, cooling, and packing into particle fuel of which grain size is 6-9mm, length is 20-30mm and moisture content <=14wt%. Its advantages include low cost, high density, heat value and forming rate, simple process and no environmental pollution.

The invention relates to a method for using formic acid to separate biomass of lignocelluloses which includes the following steps: the formic acid solution with little hydrochloride is added into the agroforestrial waste, and reaction carries out for 1 to 10h at the temperature of 50 to 100 DEG C; the solid substances are separated and hydrolyzed after being water washed and dried in the buffer solution with the pH value of 4.8 by the cellulose enzyme under the temperature of 50 DEG C, the formic acid is recycled from the obtained liquid material, the lignose obtained by separating the lignose (formic acid lignose) solid-liquid, which is not dissolved in water can be used for the high-value transformation after being washed by water. The main components of the liquid material are reduced sugars obtained by hydrolyzing xylose, wood oligose and other hemicelluloses. The invention has the advantages of separating the lignocellulose into components, realizing the using of the whole biomasses, and finishing the green technique route of the solvent recovery.

The invention discloses a method and device for producing hydrogen-rich fuel gas by high-temperature steam gasification of biomass. It uses pure water vapor as the gasification medium under the condition of no catalyst, and superheats the water vapor to above 900°C. , using a constant flow pump and steam generator to control, adjust and meter the amount of water vapor added to the high-temperature gasification reactor, and carry out high-temperature steam gasification reaction in the fixed-bed gasification reactor at 900-1050 °C. Under appropriate process conditions such as reaction temperature, water vapor flow rate, raw material particle size, and reaction time, hydrogen-rich gas with high calorific value can be produced. The calorific value of the hydrogen-rich gas prepared by this method is 11-14MJ/Nm3, and the hydrogen content is above 45%-51%. It has the advantages of not using any catalyst; obtaining hydrogen-rich gas with high calorific value, improving energy utilization efficiency; converting low-quality biomass energy into high-quality hydrogen energy, etc.

The invention belongs to the technical field of biomass energy processing and large-scale utilization, and particularly relates to a material stirring device for a biomass bin. The device comprises a transmission mechanism, a main stirring mechanism and an auxiliary stirring mechanism, wherein the main stirring mechanism comprises a cylinder, and a hollow stirring rod is arranged on the outer wall of the cylinder; the cylinder is connected with the transmission mechanism, and the auxiliary stirring mechanism comprises a rotating shaft which vertically penetrates through the hollow stirring rod; the two ends of the rotating shaft are provided with stirring blades, and the rotating shaft is connected with the transmission mechanism. The material stirring device provided by the invention has the advantages that the structure is simple and the design is skillful, a biomass material in the bin is reasonably stirred, and the defect that the stirring device is easily damaged due to too high density of the biomass material is overcome; through the automatic conversion and adjustment of the main stirring mechanism and the auxiliary stirring mechanism, the organic combination of overall stirring and local stirring is realized, the continuous discharging efficiency of the biomass material in the bin is improved, the requirement of industrial application of the biomass material is met, the processing efficiency of biomass is improved, the environmental pollution is reduced, and the large-scale utilization process of biomass energy is quickened.

The invention relates to the technology of biomass energy utilization, and aims to provide a kitchen waste and sludge hydrogen-producing acidification pretreatment method capable of increasing the methane production rate. The method comprises the following steps: mixing the kitchen waste and the sludge after crushing pretreatment, using the mixture and a sulfuric acid solution to prepare a mixed liquid, performing hydrolysis on the mixed liquid at 135 DEG C to obtain a starting crude; adding yeast powder into the starting crude, inoculating dark-fermentation hydrogenogens, feeding high-purity nitrogen to build an anaerobic fermentation environment, then performing dark-fermentation hydrogen-producing deep acidification pretreatment at the constant temperature of 37 DEG C, and obtaining a hydrogen-producing deep acidification pretreatment liquid; adding methanogens into the liquid, keeping the anaerobic environment at 37 DEG C, and performing methane fermentation and coproduction. According to the method disclosed by the invention, the hydrogen-producing deep acidification pretreatment is utilized to obviously increase the methane production rate; the rate peak time of the produced methane is reduced by about 50%; the waste treatment and degradation time of the fermentation tank with a unit volume is reduced by about 50%; the waste treatment capacity of the single equipment in unit time is improved by about one time.

The invention offers delayed coking processing method used to process discarded biomass in large scale and effectively produce biomass energy sources. It belongs to discarded biomass processing field. And the method includes the follows steps: smashing the material to 0.1-2mm granularity; mixing it with oil with 0.05-15% mass ratio; heating to 190-300 centigrade degree; further heating to 420-510 centigrade degree; processing delayed coking; fractionating the oil gas product to gain fractionated product.

The invention relates to a zinc-rich yeast with high biomass, a breeding selection method and application thereof. A zinc-rich yeast bacterial strain with high biomass is Sacharomyces cerevisiae) F-090428X. The bacterial strain is preserved in China General Microbiological Culture Collection Center (CGMCC for short) in July 2nd, 2009 with the preservation number of No.3156. The breeding selection method of the zinc-rich yeast with high biomass adopts microwave irradiation. The zinc-rich yeast with high biomass can be used for preparing high zincic human food or high zincic additives or high zincic medicaments, or can be used for preparing high zincic animal feed or high zincic feed addictive.

It is possible to obtain natural and highly functional vegetables for human nutrition if the conditions are present of having a substrate that will provide optimal conditions specific to each so as to achieve a maximum use of all biotic and abiotic elements for optimal germination and growth of vegetable organisms. This is maximized by producing a species-specific biomass eclosor, herein called EBES, which is the live or latently alive set of chemical, biochemical, biological and other specific related ingredients of the species that induce eclosion or germination in addition to providing nutritional-alimentary support specific to each plant throughout its entire productive cycle. This invention is applicable to optimize germination, growth and production of any type of cultivable vegetable and is also applicable to the human world.

The invention relates to the field of biomass energy, in particular to a method for preparing hydrogen-rich gas through gas-solid synchronous gasification of pyrolysis gas and biomass charcoal of biomass. The method comprises steps as follows: the pyrolysis gas and the biomass charcoal, which are produced through quick pyrolysis of the biomass, and steam enter an entrained-flow reactor for gas-solid synchronous gasification of the pyrolysis gas and the biomass charcoal; a product coming out of the entrained-flow reactor enters a fixed bed reactor for a catalytic reforming reaction for production of the hydrogen-rich gas after removal of solid particles. According to the method, the utilization rate of the biomass charcoal is high; the yield of the hydrogen-rich gas is high; compared with existing methods for producing hydrogen through gasification of the biomass, the energy consumption is low, and the problem of tar during gasification is solved; compared with existing methods for producing hydrogen through reformation of bio-oil, the energy consumption is low, and the charcoal conversion rate is high; the method is suitable for industrial production.

The invention relates to a cage culture biomass monitoring acoustic system and method. According to the system and method, a free moving platform, an underwater sound transducer and a transceiver control device are installed in a net cage and are connected with a data processing system. Sound wave signals are transmitted to the net cage, sound scattering signals of fish in the net cage are received by the transceiver control device, sound scattering target strength of the fish is measured and processed by means of the data processing system, and the size, quality, density and total biomass of the fish in the net cage are detected by means of the system and method.

The invention provides a method for substituting for flaveria bidentis by utilizing combination of sunflower and perennial ryegrass; in the method, the combination of the sunflower and the perennial ryegrass is adopted to biologically substitute for the flaveria bidentis; the germination rate of the flaveria bidentis can be reduced by 51.52 percent, the plant height can be reduced by 77.71 percent, the branching quantity of the single plant is reduced by 98.23 percent averagely, the leaf quantity of the single plant is reduced by 97.57 percent averagely, the biomass liveweight of the single plant is reduced by 97.87percent averagely, and the average soluble protein content is reduced by 73.5 percent, and the method has remarkable control function to external invasion of the flaveria bidentis; the seeds of the perennial ryegrass and the sunflower are obtained easily, and the planting method is simple and is easy to operate; in addition, the perennial ryegrass is a good pasture, the sunflower is an important oil crop; by adopting method, while controlling the quantity of the flaveria bidentis, a certain of economic value can be realized.

The invention discloses a sludge recycling utilization process and a system for realizing the process. The process comprises primary drying, secondary drying, carbonization, cooling and storage. According to the process, a biomass gasifier is utilized for heat supply, sludge treatment and biomass waste treatment are realized simultaneously, energy can be saved, environment can be protected, and according to the various discharge indexes, the dust emission concentration is less than 30 mg/m<3>, the SO2 discharge value is less than 20 mg/m<3>, the oxynitride discharge concentration is less than 250 mg/m<3>, and the Ringelmann black degree reaches level 1. According to the process and the system, biomass energy is taken as a main heat source for the system, and pyrolysis gas generated by a carbonizer in operation is taken as a supplementary heat source, so that heat is supplied to a primary dryer, a secondary dryer and the carbonizer; afterheat of tail gas of the carbonizer is recycled to the secondary dryer to be reused; tail gas of the primary dryer and the secondary dryer is subjected to dedusting through a cyclone dust collector and a water curtain spraying dust collector, and is subjected to desulfurization treatment to reach the standard to be discharged.

The invention discloses a method for processing lignocellulosic biomass at the constant pressure with ammonia and diluted alkali combined and belongs to the field of biomass energy processing and application. The method comprises the following steps of the step 1, taking and cutting up dry lignocellulosic biomass, the step 2, preheating the lignocellulosic biomass to 40 DEG C to 60 DEG C, adding the certain amount of ammonia, adding moderate water vapor, insulating at the temperature of 40 DEG C to 60 DEG C for 1 to 4h in a sealed mode, or taking the lignocellulosic biomass and fumigating the lignocellulosic biomass by stronger ammonia water at the temperature of 40 DEG C to 60 DEG C for 1-4h, and the step 3, stirring the lignocellulosic biomass processed in the step 2 with diluted alkali solution at the temperature of 40 DEG C to 100 DEG C for 1-10h, filtering and washing the lignocellulosic biomass to be neutral to obtain lignocellulosic to be reserved. The lignosellulosic content of the lignocelulosic biomass processed by the method is smaller than or equal to 2%, and the glycation rate is not lower than 87%. Prepared glycation liquid has no restrain on following fermentation, can be used for fermenting and producing alcohol, lactic acid, feed protein and the like or be directly used for preparing feed sugar, and can be used as microcrystalline cellulose or raw materials of papermaking pulp.

The invention discloses a Tribonema sp. PD2 strain with a preservation number of CGMCC No.10488, and application thereof in the production of biodiesel, palmitoleic acid, feed, food, skin care products, and therapeutic drugs for cardiovascular and cerebrovascular diseases, and in the carbon dioxide emission reduction, and waste gas treatment and/or wastewater treatment. The Tribonema sp. PD2 strain has the advantages of fast growth, high biomass and easiness in harvesting, and is suitable for industrial application. The oil content of the Tribonema sp. PD2 strain is as much as 60% or more of the dry biomass, wherein the content of C16-C18 is as much as 85% of the total fatty acids, the content of the palmitoleic acid (C16:1omega7) is no less than 45% of the total fatty acids, and the content of the total unsaturated fatty acids is as much as 65% of the total fatty acids. Therefore the Tribonema sp. PD2 strain is especially suitable for the production of biodiesel and the development of health care products and foods.

The invention belongs to the field of biomass energy, and particularly relates to a device and a process for mixing micro-alga and rice husk to produce oil by the aid of a continuous hydrothermal method.The process includes feeding the micro-alga and the rice husk into a stirring tank, then stirring the micro-alga and the rice husk until the micro-alga and the rice husk are in slurry states, feeding the micro-alga and the rice husk into an upper storage tank along with nitrogen which is sweeping gas, then feeding the micro-alga and the rice husk into a lower storage tank, feeding the micro-alga and the rice husk into a hydrothermal reaction kettle by the aid of a spiral feeding device at the bottom of the lower storage tank and liquefying the micro-alga and the rice husk in the hydrothermal reaction kettle by means of high-temperature and high-pressure hydrolysis to obtain products; separating the products to obtain gas phases, liquid phases and solid phases, carrying out reaction, respectively feeding high-temperature steam, the gas phases and the liquid phases into a gas-liquid separator from the top and the bottom of the reaction kettle, separating separated liquid products into oil phases and water phases, directly draining the water phases and collecting and utilizing the oil phases; discharging solid residues in the solid-phase hydrothermal reaction kettle out of the bottom of the reaction kettle.

A microbial prararation for increasing the absorptivity of plant to copper contains more useful microbes including scotch blastocyst, panicillium sp., etc. It is prepared by culturing them in liquid-state Ca's culture medium.